But last March, many ethicists were shocked to learn the contrary: A fertility docotor announced that children had been born with genes from a mother, a father, and an egg donor.

• 然而今年3月，伦理学家们惊讶地得知：一位生殖科医生宣布，已有同时携带父母以及一位卵子捐赠者基因的孩子出生了。